Home / 402,619,028,242.50-625,142,796,655.50

Finding the Third Proportional to 402,619,028,242.50 and 625,142,796,655.50

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Solution

The third proportional to 402,619,028,242.50 and 625,142,796,655.50 is: 970,653,369,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,619,028,242.50 : 625,142,796,655.50 = 625,142,796,655.50 : x
  2. Step 2: Convert to fraction form
    402,619,028,242.50/625,142,796,655.50 = 625,142,796,655.50/x
  3. Step 3: Cross multiply
    402,619,028,242.50x = 625,142,796,655.50 × 625,142,796,655.50
  4. Step 4: Simplify right side
    402,619,028,242.50x = 390,803,516,210,259,813,203,968
  5. Step 5: Solve for x
    x = 390,803,516,210,259,813,203,968/402,619,028,242.50
  6. Step 6: Final answer
    x = 970,653,369,057.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.