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Finding the Third Proportional to 7,140,136 and 15,697,448

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Solution

The third proportional to 7,140,136 and 15,697,448 is: 34,510,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,136 : 15,697,448 = 15,697,448 : x
  2. Step 2: Convert to fraction form
    7,140,136/15,697,448 = 15,697,448/x
  3. Step 3: Cross multiply
    7,140,136x = 15,697,448 × 15,697,448
  4. Step 4: Simplify right side
    7,140,136x = 246,409,873,712,704
  5. Step 5: Solve for x
    x = 246,409,873,712,704/7,140,136
  6. Step 6: Final answer
    x = 34,510,529.45

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.