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Finding the Third Proportional to 453,528 and 992,988

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Solution

The third proportional to 453,528 and 992,988 is: 2,174,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,528 : 992,988 = 992,988 : x
  2. Step 2: Convert to fraction form
    453,528/992,988 = 992,988/x
  3. Step 3: Cross multiply
    453,528x = 992,988 × 992,988
  4. Step 4: Simplify right side
    453,528x = 986,025,168,144
  5. Step 5: Solve for x
    x = 986,025,168,144/453,528
  6. Step 6: Final answer
    x = 2,174,121.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.