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Finding the Third Proportional to 7,119,128 and 14,742,952

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Solution

The third proportional to 7,119,128 and 14,742,952 is: 30,531,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,128 : 14,742,952 = 14,742,952 : x
  2. Step 2: Convert to fraction form
    7,119,128/14,742,952 = 14,742,952/x
  3. Step 3: Cross multiply
    7,119,128x = 14,742,952 × 14,742,952
  4. Step 4: Simplify right side
    7,119,128x = 217,354,633,674,304
  5. Step 5: Solve for x
    x = 217,354,633,674,304/7,119,128
  6. Step 6: Final answer
    x = 30,531,075.39

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.