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Finding the Third Proportional to 19,889,671.50 and 29,712,013.89

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Solution

The third proportional to 19,889,671.50 and 29,712,013.89 is: 44,385,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889,671.50 : 29,712,013.89 = 29,712,013.89 : x
  2. Step 2: Convert to fraction form
    19,889,671.50/29,712,013.89 = 29,712,013.89/x
  3. Step 3: Cross multiply
    19,889,671.50x = 29,712,013.89 × 29,712,013.89
  4. Step 4: Simplify right side
    19,889,671.50x = 882,803,769,552,748
  5. Step 5: Solve for x
    x = 882,803,769,552,748/19,889,671.50
  6. Step 6: Final answer
    x = 44,385,035.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.