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Finding the Third Proportional to 271,673,803.50 and 423,653,212.50

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Solution

The third proportional to 271,673,803.50 and 423,653,212.50 is: 660,652,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,673,803.50 : 423,653,212.50 = 423,653,212.50 : x
  2. Step 2: Convert to fraction form
    271,673,803.50/423,653,212.50 = 423,653,212.50/x
  3. Step 3: Cross multiply
    271,673,803.50x = 423,653,212.50 × 423,653,212.50
  4. Step 4: Simplify right side
    271,673,803.50x = 179,482,044,461,570,144
  5. Step 5: Solve for x
    x = 179,482,044,461,570,144/271,673,803.50
  6. Step 6: Final answer
    x = 660,652,746.60

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.