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Finding the Third Proportional to 77,779,748 and 167,617,886

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Solution

The third proportional to 77,779,748 and 167,617,886 is: 361,221,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,779,748 : 167,617,886 = 167,617,886 : x
  2. Step 2: Convert to fraction form
    77,779,748/167,617,886 = 167,617,886/x
  3. Step 3: Cross multiply
    77,779,748x = 167,617,886 × 167,617,886
  4. Step 4: Simplify right side
    77,779,748x = 28,095,755,707,108,996
  5. Step 5: Solve for x
    x = 28,095,755,707,108,996/77,779,748
  6. Step 6: Final answer
    x = 361,221,994.54

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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.