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Finding the Third Proportional to 30,256,431 and 45,415,629

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Solution

The third proportional to 30,256,431 and 45,415,629 is: 68,169,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256,431 : 45,415,629 = 45,415,629 : x
  2. Step 2: Convert to fraction form
    30,256,431/45,415,629 = 45,415,629/x
  3. Step 3: Cross multiply
    30,256,431x = 45,415,629 × 45,415,629
  4. Step 4: Simplify right side
    30,256,431x = 2,062,579,357,465,641
  5. Step 5: Solve for x
    x = 2,062,579,357,465,641/30,256,431
  6. Step 6: Final answer
    x = 68,169,948.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.