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Finding the Third Proportional to 29,488,998,888 and 64,988,794,806

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Solution

The third proportional to 29,488,998,888 and 64,988,794,806 is: 143,224,375,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488,998,888 : 64,988,794,806 = 64,988,794,806 : x
  2. Step 2: Convert to fraction form
    29,488,998,888/64,988,794,806 = 64,988,794,806/x
  3. Step 3: Cross multiply
    29,488,998,888x = 64,988,794,806 × 64,988,794,806
  4. Step 4: Simplify right side
    29,488,998,888x = 4,223,543,450,336,372,457,472
  5. Step 5: Solve for x
    x = 4,223,543,450,336,372,457,472/29,488,998,888
  6. Step 6: Final answer
    x = 143,224,375,516.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.