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Finding the Third Proportional to 161,547,988 and 250,619,022

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Solution

The third proportional to 161,547,988 and 250,619,022 is: 388,800,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,547,988 : 250,619,022 = 250,619,022 : x
  2. Step 2: Convert to fraction form
    161,547,988/250,619,022 = 250,619,022/x
  3. Step 3: Cross multiply
    161,547,988x = 250,619,022 × 250,619,022
  4. Step 4: Simplify right side
    161,547,988x = 62,809,894,188,236,480
  5. Step 5: Solve for x
    x = 62,809,894,188,236,480/161,547,988
  6. Step 6: Final answer
    x = 388,800,225.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.