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Finding the Third Proportional to 168,622,609.50 and 390,337,038

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Solution

The third proportional to 168,622,609.50 and 390,337,038 is: 903,573,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,622,609.50 : 390,337,038 = 390,337,038 : x
  2. Step 2: Convert to fraction form
    168,622,609.50/390,337,038 = 390,337,038/x
  3. Step 3: Cross multiply
    168,622,609.50x = 390,337,038 × 390,337,038
  4. Step 4: Simplify right side
    168,622,609.50x = 152,363,003,234,613,440
  5. Step 5: Solve for x
    x = 152,363,003,234,613,440/168,622,609.50
  6. Step 6: Final answer
    x = 903,573,985.05

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.