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Finding the Third Proportional to 15,781,570 and 33,960,091

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Solution

The third proportional to 15,781,570 and 33,960,091 is: 73,078,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,570 : 33,960,091 = 33,960,091 : x
  2. Step 2: Convert to fraction form
    15,781,570/33,960,091 = 33,960,091/x
  3. Step 3: Cross multiply
    15,781,570x = 33,960,091 × 33,960,091
  4. Step 4: Simplify right side
    15,781,570x = 1,153,287,780,728,281
  5. Step 5: Solve for x
    x = 1,153,287,780,728,281/15,781,570
  6. Step 6: Final answer
    x = 73,078,139.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.