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Finding the Third Proportional to 200,502,177.75 and 319,038,388.88

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Solution

The third proportional to 200,502,177.75 and 319,038,388.88 is: 507,652,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,502,177.75 : 319,038,388.88 = 319,038,388.88 : x
  2. Step 2: Convert to fraction form
    200,502,177.75/319,038,388.88 = 319,038,388.88/x
  3. Step 3: Cross multiply
    200,502,177.75x = 319,038,388.88 × 319,038,388.88
  4. Step 4: Simplify right side
    200,502,177.75x = 101,785,493,575,955,728
  5. Step 5: Solve for x
    x = 101,785,493,575,955,728/200,502,177.75
  6. Step 6: Final answer
    x = 507,652,808.15

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.