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Finding the Third Proportional to 55,369,321 and 121,159,613

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Solution

The third proportional to 55,369,321 and 121,159,613 is: 265,122,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369,321 : 121,159,613 = 121,159,613 : x
  2. Step 2: Convert to fraction form
    55,369,321/121,159,613 = 121,159,613/x
  3. Step 3: Cross multiply
    55,369,321x = 121,159,613 × 121,159,613
  4. Step 4: Simplify right side
    55,369,321x = 14,679,651,822,309,768
  5. Step 5: Solve for x
    x = 14,679,651,822,309,768/55,369,321
  6. Step 6: Final answer
    x = 265,122,482.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.