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Finding the Third Proportional to 889,657,775 and 1,913,205,986

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Solution

The third proportional to 889,657,775 and 1,913,205,986 is: 4,114,342,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,657,775 : 1,913,205,986 = 1,913,205,986 : x
  2. Step 2: Convert to fraction form
    889,657,775/1,913,205,986 = 1,913,205,986/x
  3. Step 3: Cross multiply
    889,657,775x = 1,913,205,986 × 1,913,205,986
  4. Step 4: Simplify right side
    889,657,775x = 3,660,357,144,866,232,320
  5. Step 5: Solve for x
    x = 3,660,357,144,866,232,320/889,657,775
  6. Step 6: Final answer
    x = 4,114,342,894.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.