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Finding the Third Proportional to 55,610,158 and 121,106,516

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Solution

The third proportional to 55,610,158 and 121,106,516 is: 263,742,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610,158 : 121,106,516 = 121,106,516 : x
  2. Step 2: Convert to fraction form
    55,610,158/121,106,516 = 121,106,516/x
  3. Step 3: Cross multiply
    55,610,158x = 121,106,516 × 121,106,516
  4. Step 4: Simplify right side
    55,610,158x = 14,666,788,217,658,256
  5. Step 5: Solve for x
    x = 14,666,788,217,658,256/55,610,158
  6. Step 6: Final answer
    x = 263,742,969.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.