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Finding the Third Proportional to 71,630,190 and 153,480,960

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Solution

The third proportional to 71,630,190 and 153,480,960 is: 328,861,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630,190 : 153,480,960 = 153,480,960 : x
  2. Step 2: Convert to fraction form
    71,630,190/153,480,960 = 153,480,960/x
  3. Step 3: Cross multiply
    71,630,190x = 153,480,960 × 153,480,960
  4. Step 4: Simplify right side
    71,630,190x = 23,556,405,082,521,600
  5. Step 5: Solve for x
    x = 23,556,405,082,521,600/71,630,190
  6. Step 6: Final answer
    x = 328,861,407.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.