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Finding the Third Proportional to 2,938,705.50 and 4,539,071.25

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Solution

The third proportional to 2,938,705.50 and 4,539,071.25 is: 7,010,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,705.50 : 4,539,071.25 = 4,539,071.25 : x
  2. Step 2: Convert to fraction form
    2,938,705.50/4,539,071.25 = 4,539,071.25/x
  3. Step 3: Cross multiply
    2,938,705.50x = 4,539,071.25 × 4,539,071.25
  4. Step 4: Simplify right side
    2,938,705.50x = 20,603,167,812,576.56
  5. Step 5: Solve for x
    x = 20,603,167,812,576.56/2,938,705.50
  6. Step 6: Final answer
    x = 7,010,967.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.