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Finding the Third Proportional to 1,818,482,400 and 3,927,960,540

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Solution

The third proportional to 1,818,482,400 and 3,927,960,540 is: 8,484,478,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,482,400 : 3,927,960,540 = 3,927,960,540 : x
  2. Step 2: Convert to fraction form
    1,818,482,400/3,927,960,540 = 3,927,960,540/x
  3. Step 3: Cross multiply
    1,818,482,400x = 3,927,960,540 × 3,927,960,540
  4. Step 4: Simplify right side
    1,818,482,400x = 15,428,874,003,797,092,352
  5. Step 5: Solve for x
    x = 15,428,874,003,797,092,352/1,818,482,400
  6. Step 6: Final answer
    x = 8,484,478,048.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.