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Finding the Third Proportional to 1,487,571,356 and 3,242,989,264

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Solution

The third proportional to 1,487,571,356 and 3,242,989,264 is: 7,069,899,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,571,356 : 3,242,989,264 = 3,242,989,264 : x
  2. Step 2: Convert to fraction form
    1,487,571,356/3,242,989,264 = 3,242,989,264/x
  3. Step 3: Cross multiply
    1,487,571,356x = 3,242,989,264 × 3,242,989,264
  4. Step 4: Simplify right side
    1,487,571,356x = 10,516,979,366,419,261,440
  5. Step 5: Solve for x
    x = 10,516,979,366,419,261,440/1,487,571,356
  6. Step 6: Final answer
    x = 7,069,899,083.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.