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Finding the Third Proportional to 19,889,676 and 29,712,020

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Solution

The third proportional to 19,889,676 and 29,712,020 is: 44,385,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889,676 : 29,712,020 = 29,712,020 : x
  2. Step 2: Convert to fraction form
    19,889,676/29,712,020 = 29,712,020/x
  3. Step 3: Cross multiply
    19,889,676x = 29,712,020 × 29,712,020
  4. Step 4: Simplify right side
    19,889,676x = 882,804,132,480,400
  5. Step 5: Solve for x
    x = 882,804,132,480,400/19,889,676
  6. Step 6: Final answer
    x = 44,385,043.40

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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.