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Finding the Third Proportional to 473,490 and 710,783.25

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Solution

The third proportional to 473,490 and 710,783.25 is: 1,066,997.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,490 : 710,783.25 = 710,783.25 : x
  2. Step 2: Convert to fraction form
    473,490/710,783.25 = 710,783.25/x
  3. Step 3: Cross multiply
    473,490x = 710,783.25 × 710,783.25
  4. Step 4: Simplify right side
    473,490x = 505,212,828,480.56
  5. Step 5: Solve for x
    x = 505,212,828,480.56/473,490
  6. Step 6: Final answer
    x = 1,066,997.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.