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Finding the Third Proportional to 72,382,932 and 157,771,944

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Solution

The third proportional to 72,382,932 and 157,771,944 is: 343,893,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,382,932 : 157,771,944 = 157,771,944 : x
  2. Step 2: Convert to fraction form
    72,382,932/157,771,944 = 157,771,944/x
  3. Step 3: Cross multiply
    72,382,932x = 157,771,944 × 157,771,944
  4. Step 4: Simplify right side
    72,382,932x = 24,891,986,313,539,136
  5. Step 5: Solve for x
    x = 24,891,986,313,539,136/72,382,932
  6. Step 6: Final answer
    x = 343,893,037.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.