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Finding the Third Proportional to 113,688,504 and 172,660,428

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Solution

The third proportional to 113,688,504 and 172,660,428 is: 262,221,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,688,504 : 172,660,428 = 172,660,428 : x
  2. Step 2: Convert to fraction form
    113,688,504/172,660,428 = 172,660,428/x
  3. Step 3: Cross multiply
    113,688,504x = 172,660,428 × 172,660,428
  4. Step 4: Simplify right side
    113,688,504x = 29,811,623,397,143,184
  5. Step 5: Solve for x
    x = 29,811,623,397,143,184/113,688,504
  6. Step 6: Final answer
    x = 262,221,969.23

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.