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Finding the Third Proportional to 153,384,632 and 215,745,726

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Solution

The third proportional to 153,384,632 and 215,745,726 is: 303,460,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,384,632 : 215,745,726 = 215,745,726 : x
  2. Step 2: Convert to fraction form
    153,384,632/215,745,726 = 215,745,726/x
  3. Step 3: Cross multiply
    153,384,632x = 215,745,726 × 215,745,726
  4. Step 4: Simplify right side
    153,384,632x = 46,546,218,287,267,072
  5. Step 5: Solve for x
    x = 46,546,218,287,267,072/153,384,632
  6. Step 6: Final answer
    x = 303,460,768.40

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.