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Finding the Third Proportional to 161,793,480 and 353,855,985

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Solution

The third proportional to 161,793,480 and 353,855,985 is: 773,912,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,793,480 : 353,855,985 = 353,855,985 : x
  2. Step 2: Convert to fraction form
    161,793,480/353,855,985 = 353,855,985/x
  3. Step 3: Cross multiply
    161,793,480x = 353,855,985 × 353,855,985
  4. Step 4: Simplify right side
    161,793,480x = 125,214,058,120,320,224
  5. Step 5: Solve for x
    x = 125,214,058,120,320,224/161,793,480
  6. Step 6: Final answer
    x = 773,912,880.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.