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Finding the Third Proportional to 57,955,506 and 78,430,203

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Solution

The third proportional to 57,955,506 and 78,430,203 is: 106,138,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,955,506 : 78,430,203 = 78,430,203 : x
  2. Step 2: Convert to fraction form
    57,955,506/78,430,203 = 78,430,203/x
  3. Step 3: Cross multiply
    57,955,506x = 78,430,203 × 78,430,203
  4. Step 4: Simplify right side
    57,955,506x = 6,151,296,742,621,209
  5. Step 5: Solve for x
    x = 6,151,296,742,621,209/57,955,506
  6. Step 6: Final answer
    x = 106,138,263.08

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.