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Finding the Third Proportional to 642,881,227.50 and 1,395,357,399

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Solution

The third proportional to 642,881,227.50 and 1,395,357,399 is: 3,028,587,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,881,227.50 : 1,395,357,399 = 1,395,357,399 : x
  2. Step 2: Convert to fraction form
    642,881,227.50/1,395,357,399 = 1,395,357,399/x
  3. Step 3: Cross multiply
    642,881,227.50x = 1,395,357,399 × 1,395,357,399
  4. Step 4: Simplify right side
    642,881,227.50x = 1,947,022,270,944,045,312
  5. Step 5: Solve for x
    x = 1,947,022,270,944,045,312/642,881,227.50
  6. Step 6: Final answer
    x = 3,028,587,844.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.