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Finding the Third Proportional to 7,139,428 and 10,876,537

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Solution

The third proportional to 7,139,428 and 10,876,537 is: 16,569,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,428 : 10,876,537 = 10,876,537 : x
  2. Step 2: Convert to fraction form
    7,139,428/10,876,537 = 10,876,537/x
  3. Step 3: Cross multiply
    7,139,428x = 10,876,537 × 10,876,537
  4. Step 4: Simplify right side
    7,139,428x = 118,299,057,112,369
  5. Step 5: Solve for x
    x = 118,299,057,112,369/7,139,428
  6. Step 6: Final answer
    x = 16,569,822.84

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.