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Finding the Third Proportional to 453,368 and 988,136

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Solution

The third proportional to 453,368 and 988,136 is: 2,153,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,368 : 988,136 = 988,136 : x
  2. Step 2: Convert to fraction form
    453,368/988,136 = 988,136/x
  3. Step 3: Cross multiply
    453,368x = 988,136 × 988,136
  4. Step 4: Simplify right side
    453,368x = 976,412,754,496
  5. Step 5: Solve for x
    x = 976,412,754,496/453,368
  6. Step 6: Final answer
    x = 2,153,686.97

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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.