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Finding the Third Proportional to 19,141,448.50 and 29,421,778

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Solution

The third proportional to 19,141,448.50 and 29,421,778 is: 45,223,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141,448.50 : 29,421,778 = 29,421,778 : x
  2. Step 2: Convert to fraction form
    19,141,448.50/29,421,778 = 29,421,778/x
  3. Step 3: Cross multiply
    19,141,448.50x = 29,421,778 × 29,421,778
  4. Step 4: Simplify right side
    19,141,448.50x = 865,641,020,681,284
  5. Step 5: Solve for x
    x = 865,641,020,681,284/19,141,448.50
  6. Step 6: Final answer
    x = 45,223,381.12

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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.