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Finding the Third Proportional to 145,892,668 and 315,995,480

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Solution

The third proportional to 145,892,668 and 315,995,480 is: 684,428,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,892,668 : 315,995,480 = 315,995,480 : x
  2. Step 2: Convert to fraction form
    145,892,668/315,995,480 = 315,995,480/x
  3. Step 3: Cross multiply
    145,892,668x = 315,995,480 × 315,995,480
  4. Step 4: Simplify right side
    145,892,668x = 99,853,143,380,430,400
  5. Step 5: Solve for x
    x = 99,853,143,380,430,400/145,892,668
  6. Step 6: Final answer
    x = 684,428,797.89

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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.