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Finding the Third Proportional to 84,495,528 and 178,069,844

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Solution

The third proportional to 84,495,528 and 178,069,844 is: 375,272,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,495,528 : 178,069,844 = 178,069,844 : x
  2. Step 2: Convert to fraction form
    84,495,528/178,069,844 = 178,069,844/x
  3. Step 3: Cross multiply
    84,495,528x = 178,069,844 × 178,069,844
  4. Step 4: Simplify right side
    84,495,528x = 31,708,869,342,184,336
  5. Step 5: Solve for x
    x = 31,708,869,342,184,336/84,495,528
  6. Step 6: Final answer
    x = 375,272,752.21

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.