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Finding the Third Proportional to 7,564,140 and 11,319,480

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Solution

The third proportional to 7,564,140 and 11,319,480 is: 16,939,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564,140 : 11,319,480 = 11,319,480 : x
  2. Step 2: Convert to fraction form
    7,564,140/11,319,480 = 11,319,480/x
  3. Step 3: Cross multiply
    7,564,140x = 11,319,480 × 11,319,480
  4. Step 4: Simplify right side
    7,564,140x = 128,130,627,470,400
  5. Step 5: Solve for x
    x = 128,130,627,470,400/7,564,140
  6. Step 6: Final answer
    x = 16,939,219.46

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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.