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Finding the Third Proportional to 77,779,746 and 167,617,881

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Solution

The third proportional to 77,779,746 and 167,617,881 is: 361,221,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,779,746 : 167,617,881 = 167,617,881 : x
  2. Step 2: Convert to fraction form
    77,779,746/167,617,881 = 167,617,881/x
  3. Step 3: Cross multiply
    77,779,746x = 167,617,881 × 167,617,881
  4. Step 4: Simplify right side
    77,779,746x = 28,095,754,030,930,160
  5. Step 5: Solve for x
    x = 28,095,754,030,930,160/77,779,746
  6. Step 6: Final answer
    x = 361,221,982.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.