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Finding the Third Proportional to 2,156,495,904 and 3,081,688,840

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Solution

The third proportional to 2,156,495,904 and 3,081,688,840 is: 4,403,813,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,495,904 : 3,081,688,840 = 3,081,688,840 : x
  2. Step 2: Convert to fraction form
    2,156,495,904/3,081,688,840 = 3,081,688,840/x
  3. Step 3: Cross multiply
    2,156,495,904x = 3,081,688,840 × 3,081,688,840
  4. Step 4: Simplify right side
    2,156,495,904x = 9,496,806,106,580,545,536
  5. Step 5: Solve for x
    x = 9,496,806,106,580,545,536/2,156,495,904
  6. Step 6: Final answer
    x = 4,403,813,653.88

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.