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Finding the Third Proportional to 3,697,712 and 7,947,312

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Solution

The third proportional to 3,697,712 and 7,947,312 is: 17,080,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697,712 : 7,947,312 = 7,947,312 : x
  2. Step 2: Convert to fraction form
    3,697,712/7,947,312 = 7,947,312/x
  3. Step 3: Cross multiply
    3,697,712x = 7,947,312 × 7,947,312
  4. Step 4: Simplify right side
    3,697,712x = 63,159,768,025,344
  5. Step 5: Solve for x
    x = 63,159,768,025,344/3,697,712
  6. Step 6: Final answer
    x = 17,080,769.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.