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Finding the Third Proportional to 428,587,021 and 930,237,122

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Solution

The third proportional to 428,587,021 and 930,237,122 is: 2,019,055,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,587,021 : 930,237,122 = 930,237,122 : x
  2. Step 2: Convert to fraction form
    428,587,021/930,237,122 = 930,237,122/x
  3. Step 3: Cross multiply
    428,587,021x = 930,237,122 × 930,237,122
  4. Step 4: Simplify right side
    428,587,021x = 865,341,103,146,842,880
  5. Step 5: Solve for x
    x = 865,341,103,146,842,880/428,587,021
  6. Step 6: Final answer
    x = 2,019,055,782.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.