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Finding the Third Proportional to 67,918,459.50 and 105,913,320.75

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Solution

The third proportional to 67,918,459.50 and 105,913,320.75 is: 165,163,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918,459.50 : 105,913,320.75 = 105,913,320.75 : x
  2. Step 2: Convert to fraction form
    67,918,459.50/105,913,320.75 = 105,913,320.75/x
  3. Step 3: Cross multiply
    67,918,459.50x = 105,913,320.75 × 105,913,320.75
  4. Step 4: Simplify right side
    67,918,459.50x = 11,217,631,512,292,380
  5. Step 5: Solve for x
    x = 11,217,631,512,292,380/67,918,459.50
  6. Step 6: Final answer
    x = 165,163,220.65

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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.