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Finding the Third Proportional to 19,141,479 and 29,421,828

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Solution

The third proportional to 19,141,479 and 29,421,828 is: 45,223,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141,479 : 29,421,828 = 29,421,828 : x
  2. Step 2: Convert to fraction form
    19,141,479/29,421,828 = 29,421,828/x
  3. Step 3: Cross multiply
    19,141,479x = 29,421,828 × 29,421,828
  4. Step 4: Simplify right side
    19,141,479x = 865,643,962,861,584
  5. Step 5: Solve for x
    x = 865,643,962,861,584/19,141,479
  6. Step 6: Final answer
    x = 45,223,462.77

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.