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Finding the Third Proportional to 45,435,351 and 70,486,560

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Solution

The third proportional to 45,435,351 and 70,486,560 is: 109,349,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435,351 : 70,486,560 = 70,486,560 : x
  2. Step 2: Convert to fraction form
    45,435,351/70,486,560 = 70,486,560/x
  3. Step 3: Cross multiply
    45,435,351x = 70,486,560 × 70,486,560
  4. Step 4: Simplify right side
    45,435,351x = 4,968,355,140,633,600
  5. Step 5: Solve for x
    x = 4,968,355,140,633,600/45,435,351
  6. Step 6: Final answer
    x = 109,349,989.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.