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Finding the Third Proportional to 652,996.13 and 989,370

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Solution

The third proportional to 652,996.13 and 989,370 is: 1,499,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,996.13 : 989,370 = 989,370 : x
  2. Step 2: Convert to fraction form
    652,996.13/989,370 = 989,370/x
  3. Step 3: Cross multiply
    652,996.13x = 989,370 × 989,370
  4. Step 4: Simplify right side
    652,996.13x = 978,852,996,900
  5. Step 5: Solve for x
    x = 978,852,996,900/652,996.13
  6. Step 6: Final answer
    x = 1,499,018.08

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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.