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Finding the Third Proportional to 713,990 and 1,545,538

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Solution

The third proportional to 713,990 and 1,545,538 is: 3,345,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,990 : 1,545,538 = 1,545,538 : x
  2. Step 2: Convert to fraction form
    713,990/1,545,538 = 1,545,538/x
  3. Step 3: Cross multiply
    713,990x = 1,545,538 × 1,545,538
  4. Step 4: Simplify right side
    713,990x = 2,388,687,709,444
  5. Step 5: Solve for x
    x = 2,388,687,709,444/713,990
  6. Step 6: Final answer
    x = 3,345,547.85

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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.