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Finding the Third Proportional to 45,151.73 and 70,312.90

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Solution

The third proportional to 45,151.73 and 70,312.90 is: 109,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,151.73 : 70,312.90 = 70,312.90 : x
  2. Step 2: Convert to fraction form
    45,151.73/70,312.90 = 70,312.90/x
  3. Step 3: Cross multiply
    45,151.73x = 70,312.90 × 70,312.90
  4. Step 4: Simplify right side
    45,151.73x = 4,943,904,510.66
  5. Step 5: Solve for x
    x = 4,943,904,510.66/45,151.73
  6. Step 6: Final answer
    x = 109,495.36

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.