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Finding the Third Proportional to 358,771,240 and 561,574,979.50

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Solution

The third proportional to 358,771,240 and 561,574,979.50 is: 879,018,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,771,240 : 561,574,979.50 = 561,574,979.50 : x
  2. Step 2: Convert to fraction form
    358,771,240/561,574,979.50 = 561,574,979.50/x
  3. Step 3: Cross multiply
    358,771,240x = 561,574,979.50 × 561,574,979.50
  4. Step 4: Simplify right side
    358,771,240x = 315,366,457,600,425,408
  5. Step 5: Solve for x
    x = 315,366,457,600,425,408/358,771,240
  6. Step 6: Final answer
    x = 879,018,222.31

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.