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Finding the Third Proportional to 1,442,766,428 and 3,151,164,742

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Solution

The third proportional to 1,442,766,428 and 3,151,164,742 is: 6,882,499,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,766,428 : 3,151,164,742 = 3,151,164,742 : x
  2. Step 2: Convert to fraction form
    1,442,766,428/3,151,164,742 = 3,151,164,742/x
  3. Step 3: Cross multiply
    1,442,766,428x = 3,151,164,742 × 3,151,164,742
  4. Step 4: Simplify right side
    1,442,766,428x = 9,929,839,231,223,926,784
  5. Step 5: Solve for x
    x = 9,929,839,231,223,926,784/1,442,766,428
  6. Step 6: Final answer
    x = 6,882,499,508.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.