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Finding the Third Proportional to 288,258,432 and 634,167,936

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Solution

The third proportional to 288,258,432 and 634,167,936 is: 1,395,168,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,258,432 : 634,167,936 = 634,167,936 : x
  2. Step 2: Convert to fraction form
    288,258,432/634,167,936 = 634,167,936/x
  3. Step 3: Cross multiply
    288,258,432x = 634,167,936 × 634,167,936
  4. Step 4: Simplify right side
    288,258,432x = 402,168,971,050,500,096
  5. Step 5: Solve for x
    x = 402,168,971,050,500,096/288,258,432
  6. Step 6: Final answer
    x = 1,395,168,107.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.