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Finding the Third Proportional to 470,784 and 604,473

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Solution

The third proportional to 470,784 and 604,473 is: 776,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,784 : 604,473 = 604,473 : x
  2. Step 2: Convert to fraction form
    470,784/604,473 = 604,473/x
  3. Step 3: Cross multiply
    470,784x = 604,473 × 604,473
  4. Step 4: Simplify right side
    470,784x = 365,387,607,729
  5. Step 5: Solve for x
    x = 365,387,607,729/470,784
  6. Step 6: Final answer
    x = 776,125.80

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.