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Finding the Third Proportional to 187,779,984 and 403,326,099

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Solution

The third proportional to 187,779,984 and 403,326,099 is: 866,290,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,779,984 : 403,326,099 = 403,326,099 : x
  2. Step 2: Convert to fraction form
    187,779,984/403,326,099 = 403,326,099/x
  3. Step 3: Cross multiply
    187,779,984x = 403,326,099 × 403,326,099
  4. Step 4: Simplify right side
    187,779,984x = 162,671,942,134,557,792
  5. Step 5: Solve for x
    x = 162,671,942,134,557,792/187,779,984
  6. Step 6: Final answer
    x = 866,290,105.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.