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Finding the Third Proportional to 248,790,964 and 539,871,380

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Solution

The third proportional to 248,790,964 and 539,871,380 is: 1,171,510,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,790,964 : 539,871,380 = 539,871,380 : x
  2. Step 2: Convert to fraction form
    248,790,964/539,871,380 = 539,871,380/x
  3. Step 3: Cross multiply
    248,790,964x = 539,871,380 × 539,871,380
  4. Step 4: Simplify right side
    248,790,964x = 291,461,106,943,104,384
  5. Step 5: Solve for x
    x = 291,461,106,943,104,384/248,790,964
  6. Step 6: Final answer
    x = 1,171,510,018.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.