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Finding the Third Proportional to 318,574,536 and 695,056,460

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Solution

The third proportional to 318,574,536 and 695,056,460 is: 1,516,453,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,574,536 : 695,056,460 = 695,056,460 : x
  2. Step 2: Convert to fraction form
    318,574,536/695,056,460 = 695,056,460/x
  3. Step 3: Cross multiply
    318,574,536x = 695,056,460 × 695,056,460
  4. Step 4: Simplify right side
    318,574,536x = 483,103,482,587,731,584
  5. Step 5: Solve for x
    x = 483,103,482,587,731,584/318,574,536
  6. Step 6: Final answer
    x = 1,516,453,539.11

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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.