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Finding the Third Proportional to 268,530,074 and 414,657,428

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Solution

The third proportional to 268,530,074 and 414,657,428 is: 640,303,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,530,074 : 414,657,428 = 414,657,428 : x
  2. Step 2: Convert to fraction form
    268,530,074/414,657,428 = 414,657,428/x
  3. Step 3: Cross multiply
    268,530,074x = 414,657,428 × 414,657,428
  4. Step 4: Simplify right side
    268,530,074x = 171,940,782,595,575,168
  5. Step 5: Solve for x
    x = 171,940,782,595,575,168/268,530,074
  6. Step 6: Final answer
    x = 640,303,635.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.