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Finding the Third Proportional to 8,658,460.13 and 18,824,015.53

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Solution

The third proportional to 8,658,460.13 and 18,824,015.53 is: 40,924,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,460.13 : 18,824,015.53 = 18,824,015.53 : x
  2. Step 2: Convert to fraction form
    8,658,460.13/18,824,015.53 = 18,824,015.53/x
  3. Step 3: Cross multiply
    8,658,460.13x = 18,824,015.53 × 18,824,015.53
  4. Step 4: Simplify right side
    8,658,460.13x = 354,343,560,720,741.25
  5. Step 5: Solve for x
    x = 354,343,560,720,741.25/8,658,460.13
  6. Step 6: Final answer
    x = 40,924,547.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.