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Finding the Third Proportional to 19,966,674 and 29,201,211

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Solution

The third proportional to 19,966,674 and 29,201,211 is: 42,706,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,674 : 29,201,211 = 29,201,211 : x
  2. Step 2: Convert to fraction form
    19,966,674/29,201,211 = 29,201,211/x
  3. Step 3: Cross multiply
    19,966,674x = 29,201,211 × 29,201,211
  4. Step 4: Simplify right side
    19,966,674x = 852,710,723,866,521
  5. Step 5: Solve for x
    x = 852,710,723,866,521/19,966,674
  6. Step 6: Final answer
    x = 42,706,698.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.