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Finding the Third Proportional to 100,758,721 and 208,687,490

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Solution

The third proportional to 100,758,721 and 208,687,490 is: 432,225,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,758,721 : 208,687,490 = 208,687,490 : x
  2. Step 2: Convert to fraction form
    100,758,721/208,687,490 = 208,687,490/x
  3. Step 3: Cross multiply
    100,758,721x = 208,687,490 × 208,687,490
  4. Step 4: Simplify right side
    100,758,721x = 43,550,468,482,500,096
  5. Step 5: Solve for x
    x = 43,550,468,482,500,096/100,758,721
  6. Step 6: Final answer
    x = 432,225,300.70

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.