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Finding the Third Proportional to 136,952,685 and 278,688,321

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Solution

The third proportional to 136,952,685 and 278,688,321 is: 567,109,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,952,685 : 278,688,321 = 278,688,321 : x
  2. Step 2: Convert to fraction form
    136,952,685/278,688,321 = 278,688,321/x
  3. Step 3: Cross multiply
    136,952,685x = 278,688,321 × 278,688,321
  4. Step 4: Simplify right side
    136,952,685x = 77,667,180,261,799,040
  5. Step 5: Solve for x
    x = 77,667,180,261,799,040/136,952,685
  6. Step 6: Final answer
    x = 567,109,584.32

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.