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Finding the Third Proportional to 61,312 and 93,750

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Solution

The third proportional to 61,312 and 93,750 is: 143,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,312 : 93,750 = 93,750 : x
  2. Step 2: Convert to fraction form
    61,312/93,750 = 93,750/x
  3. Step 3: Cross multiply
    61,312x = 93,750 × 93,750
  4. Step 4: Simplify right side
    61,312x = 8,789,062,500
  5. Step 5: Solve for x
    x = 8,789,062,500/61,312
  6. Step 6: Final answer
    x = 143,349.79

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.