Home / 200,502,072.50-319,038,205.75

Finding the Third Proportional to 200,502,072.50 and 319,038,205.75

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Solution

The third proportional to 200,502,072.50 and 319,038,205.75 is: 507,652,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,502,072.50 : 319,038,205.75 = 319,038,205.75 : x
  2. Step 2: Convert to fraction form
    200,502,072.50/319,038,205.75 = 319,038,205.75/x
  3. Step 3: Cross multiply
    200,502,072.50x = 319,038,205.75 × 319,038,205.75
  4. Step 4: Simplify right side
    200,502,072.50x = 101,785,376,728,179,328
  5. Step 5: Solve for x
    x = 101,785,376,728,179,328/200,502,072.50
  6. Step 6: Final answer
    x = 507,652,491.86

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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.