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Finding the Third Proportional to 172,620,065.25 and 369,725,782.50

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Solution

The third proportional to 172,620,065.25 and 369,725,782.50 is: 791,896,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,620,065.25 : 369,725,782.50 = 369,725,782.50 : x
  2. Step 2: Convert to fraction form
    172,620,065.25/369,725,782.50 = 369,725,782.50/x
  3. Step 3: Cross multiply
    172,620,065.25x = 369,725,782.50 × 369,725,782.50
  4. Step 4: Simplify right side
    172,620,065.25x = 136,697,154,245,237,312
  5. Step 5: Solve for x
    x = 136,697,154,245,237,312/172,620,065.25
  6. Step 6: Final answer
    x = 791,896,087.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.