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Finding the Third Proportional to 13,035,207 and 19,720,581

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Solution

The third proportional to 13,035,207 and 19,720,581 is: 29,834,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035,207 : 19,720,581 = 19,720,581 : x
  2. Step 2: Convert to fraction form
    13,035,207/19,720,581 = 19,720,581/x
  3. Step 3: Cross multiply
    13,035,207x = 19,720,581 × 19,720,581
  4. Step 4: Simplify right side
    13,035,207x = 388,901,314,977,561
  5. Step 5: Solve for x
    x = 388,901,314,977,561/13,035,207
  6. Step 6: Final answer
    x = 29,834,686.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.