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Finding the Third Proportional to 181,156,356 and 390,995,136

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Solution

The third proportional to 181,156,356 and 390,995,136 is: 843,896,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,156,356 : 390,995,136 = 390,995,136 : x
  2. Step 2: Convert to fraction form
    181,156,356/390,995,136 = 390,995,136/x
  3. Step 3: Cross multiply
    181,156,356x = 390,995,136 × 390,995,136
  4. Step 4: Simplify right side
    181,156,356x = 152,877,196,375,658,496
  5. Step 5: Solve for x
    x = 152,877,196,375,658,496/181,156,356
  6. Step 6: Final answer
    x = 843,896,398.40

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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.